Home / 106,812,006.30-160,218,009.45-99,645,644.70

Finding the Fourth Proportional to 106,812,006.30, 160,218,009.45 and 99,645,644.70

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Solution

The fourth proportional to 106,812,006.30, 160,218,009.45 and 99,645,644.70 is: 149,468,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812,006.30 : 160,218,009.45 = 99,645,644.70 : x
  2. Step 2: Convert to fraction form
    106,812,006.30/160,218,009.45 = 99,645,644.70/x
  3. Step 3: Cross multiply
    106,812,006.30x = 160,218,009.45 × 99,645,644.70
  4. Step 4: Simplify right side
    106,812,006.30x = 15,965,026,844,195,942
  5. Step 5: Solve for x
    x = 15,965,026,844,195,942/106,812,006.30
  6. Step 6: Final answer
    x = 149,468,467.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.